ATI RN
Multiple Choice Questions on Gastrointestinal Disorders Questions
Question 1 of 5
Which enzyme is responsible for the breakdown of carbohydrates in the mouth during the process of digestion?
Correct Answer: A
Rationale: The correct answer is A: Amylase. Amylase is responsible for breaking down carbohydrates in the mouth during digestion. It is produced in the salivary glands and helps to break down complex carbohydrates into simpler sugars like maltose. Lipase (B) breaks down fats, pepsin (C) breaks down proteins, and trypsin (D) is an enzyme that also breaks down proteins but is produced in the pancreas, not in the mouth. Amylase is the only enzyme among the choices that specifically targets carbohydrates in the mouth, making it the correct answer.
Question 2 of 5
Which information in this male patient's electronic health record as shown in the accompanying figure will the nurse use to confirm that the patient has metabolic syndrome? (Select all that apply.)
Correct Answer: B
Rationale: The correct answer is B: Waist size. The nurse can confirm metabolic syndrome by assessing waist size as it is a key component in diagnosing the condition. Metabolic syndrome is characterized by central obesity, which is reflected in an increased waist circumference. The other choices, weight (A), blood glucose (C), and blood pressure (D), may provide valuable information in assessing the patient's overall health but are not specific indicators of metabolic syndrome. Weight alone does not necessarily indicate central obesity, blood glucose may be elevated due to other reasons, and blood pressure can be affected by various factors unrelated to metabolic syndrome. Therefore, waist size is the most relevant measure to confirm the presence of metabolic syndrome in this case.
Question 3 of 5
The term wisdom tooth refers to the _____ tooth.
Correct Answer: B
Rationale: The correct answer is B: third molar. Wisdom teeth are the third molars located at the back of the mouth. They typically erupt in late teens or early twenties. Incisors (A) are front teeth for cutting, second bicuspids (C) help with chewing, and first cuspids (D) are also known as canines for tearing food. The key is understanding dental anatomy and the specific location/function of each tooth type.
Question 4 of 5
Urea is synthesized by the liver following _____ metabolism.
Correct Answer: B
Rationale: The correct answer is B: protein. Urea is a waste product formed during the breakdown of proteins in the liver. Amino acids from protein metabolism are deaminated, leading to the formation of ammonia, which is then converted to urea in the urea cycle. Carbohydrates are not directly involved in urea synthesis. Lipids are primarily metabolized to produce energy and do not contribute to urea formation. Nucleic acids are broken down into nucleotides, not amino acids, and are not directly related to urea synthesis.
Question 5 of 5
The finger-like extensions inside the small intestine are called _____ and increase the surface area.
Correct Answer: B
Rationale: The correct answer is B: villi. Villi are finger-like projections inside the small intestine that increase the surface area for nutrient absorption. They contain blood vessels and lacteals. Microvilli (A) are tiny projections on the surface of villi that further increase surface area. Lacteals (C) are lymphatic vessels within villi that absorb fats. Lumens (D) refer to the inner space of a tubular structure and are not the finger-like extensions inside the small intestine.